15 for 2015: Number 4

Andre Ward v Sergey Kovalev
Having made his return from a 19-month hiatus last month, super-middleweight king has been touted to make the move up to light-heavyweight, where Russian slugger Kovalev reigns as IBF, WBO and WBA ‘Super’ world champion. Similar to Mayweather-Golovkin, it would pit a master boxer against a ferocious puncher, as well as being a clash of two of the world’s best.PROBABILITY ***